<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片试图区域 -->
    <el-card>
      <!-- 搜索框区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getGoodsList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getGoodsList"
            >
            </el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage"
            >添加商品</el-button
          >
        </el-col>
      </el-row>
      <!-- table表格区域 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column
          label="商品价格(元)"
          prop="goods_price"
          width="95px"
        ></el-table-column>
        <el-table-column
          label="商品重量"
          prop="goods_weight"
          width="70px"
        ></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="140px">
          <template v-slot="scope">
            {{ scope.row.add_time | dataFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template v-slot="scope">
            <!-- 编辑按钮 -->
            <el-button
              icon="el-icon-edit"
              type="primary"
              size="mini"
            ></el-button>
            <!-- 删除按钮 -->
            <el-button
              icon="el-icon-delete"
              type="danger"
              size="mini"
              @click="removeById(scope.row.goods_id)"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        background
      >
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 查询参数对象
      queryInfo: {
        query: "",
        pagenum: "1",
        pagesize: "5",
      },
      // 商品列表
      goodslist: [],
      // 商品总条数
      total: 0,
      // 控制添加商品对话框的现实与隐藏
      addDialogVisible:false
    };
  },
  created() {
    this.getGoodsList();
  },
  methods: {
    //   根据分页获取对应的商品列表
    async getGoodsList() {
      const { data: res } = await this.$http.get("goods", {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200)
        return this.$message.errorr("获取商品列表失败！");
      // console.log(res)
      this.$message.success("获取商品列表成功");
      this.goodslist = res.data.goods;
      this.total = res.data.total;
    },
    // 当页面显示条数发生改变，就会触发这个函数
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize;
      this.getGoodsList();
    },
    // 当当前页面发生改变时，则会触发当前函数
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage;
      this.getGoodsList();
    },
    // 点击删除按钮，删除商品数据
    async removeById(id){
      const confirmResult =await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch( err => err)
      if(confirmResult !== 'confirm') return this.$message.info("已取消删除！")
      const {data:res} = await this.$http.delete(`goods/${id}`)
      if(res.meta.status !== 200) return
      this.$message.success("删除成功")
    },
    // 当点击添加商品按钮，跳转到制定添加界面
    goAddpage(){
      this.$router.push('/goods/add')
    }
  },
};
</script>

<style lang="less" scope>
</style>